24B.1 Routeing information retrieval procedure for LCS

29.0023GPPMobile Application Part (MAP) specificationRelease 17TS

24B.1.1 General

The message flow for successful retrieval of routeing information related to location services is shown in figure 24B.1/1.

Figure 24B.1/1: Message flow for retrieval of routeing information for LCS

The following MAP service is used to retrieve routeing information:

MAP_SEND_ROUTING_INFO_FOR_LCS see clause 13A.1.

24B.1.2 Process in the GMLC

The MAP process in the GMLC to request routeing information for LCS is shown in figure 24B.1/2. The MAP process invokes macros not defined in this clause; the definitions of these macros can be found as follows:

Receive_Open_Cnf see clause 25.1.2;

Check_Confirmation see clause 25.2.2.

24B.1.3 Process in the HLR

The MAP process in the HLR to handle a request for routeing information for LCS is shown in figure 24B.1/3. The MAP process invokes macros not defined in this clause; the definitions of these macros can be found as follows:

Receive_Open_Ind see clause 25.1.1;

Check_Indication see clause 25.2.1.

Figure 24B.1/2: Process SRI_LCS_GMLC

Figure 24B.1/3: Process SRI_LCS_HLR